Components:
(1) Propane,
C3H8; [74-98-6]
NIST WebBook
(2) Poly(trimethylsilyl propyne),
None; [87842-32-8]
NIST WebBook
Original Measurements
Nakagawa, T.; Sekiguchi, M.; Nagai, K.; Higuchi, A.; Int. Congress on Membranes (ICOM-90) Chicago, p. 824-26 (1990).
Variables:
Ambient temperature: 303 K
Pressure: 0 - 100 kPa
Copolymer composition: [TMSP] = 90 %; [PHP] = 10 %.
Prepared by:
Method/Apparatus/Procedure:
Sorption measurement were done by means of Cahn electrobalance, model 2000.
Source and Purity of Materials:
- The copolymer and PPHP were synthesized in the presence of a catalyst TaCl5-Ph3Bi-H2O. The synthesis of PTMSP was described in ref (1).
References
1 Takada, K.; Mituta H.; Masuda T.; Higashimura,T. J. Appl. Polym. Sci. 1983, 30, 1605.
Experimental Values:
Sorption isotherms for three propyne polymers were reported. Their parameters are given below.
| H (cm3(g) cm-3(s) atm-1) | C'H (cm3/cm3) | b (atm-1) | Sample |
|---|---|---|---|
| 6.93 | 50.14 | 2.15 | PTMSP |
| 8.35 | 43.59 | 2.77 | Copolymer |
| 5.84 | 12.47 | 5.48 | PPHP |


